Contig extension using PRICE

Question

[A_heath]

Hi all,

I have paired-end reads for a genome and a specific contig of interest. I would like to prolong my contig as much as possible using PRICE. I tried the following command line:

./PriceTI -fp L_raff_FAM23217_raw_reads_1.fq L_raff_FAM23217_raw_reads_2.fq 150 -icf contig.fasta 1 1 5 -o contig_extended.fasta -nc 5 -mpi 95

However, I obtained a very weird output file with additional contigs. Here is an example of an output file obtained after cycle 1:

>contig_1 (14073nt)
TGTAATAGAGGGGGCTTTATCT...
>contig_2 (340nt)
TCATTATTGTCG...
>contig_3 (307nt)
CTCTTCGGGTTTTC...

I don't understand why there are additional contigs. I just want an extension of my original contig (initial size = 13 035 bp).

Is there a problem with my command line?

Thank you in advance for your help!